问题
填空题
下列分子的示意图中，“○”表示氢原子，“●”表示氧原子。
请回答下列问题：其中图________是表示的化合物，图________表示的是混合物，图1中的分子________ （填“能”或“不能”）保持该物质的化学性质。
答案
1；2；能
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下列分子的示意图中，“○”表示氢原子，“●”表示氧原子。
请回答下列问题：其中图________是表示的化合物，图________表示的是混合物，图1中的分子________ （填“能”或“不能”）保持该物质的化学性质。
1；2；能
| 阅读理解。 | ||||||
| ||||||
| 1. In the passage, _____ is the youngest player. | ||||||
| A. Pele B. Yao Ming C. Steffi Graf D. Martina Navratilova | ||||||
| 2. _____ comes from South America. | ||||||
| A. Pele B. Yao Ming C. Steffi Graf D. No one | ||||||
| 2. _____ comes from South America. | ||||||
| A. Pele B. Yao Ming C. Steffi Graf D. No one | ||||||
| 4. Which of the following is WRONG? | ||||||
| A. Pele was born in a poor family. B. Pele was a great football player. C. Pele played football in the street all his life. D. Pele became famous soon after he was picked to play for Santos. | ||||||
| 5. From the passage, we know that _____. | ||||||
| A. Martina Navratilova was also a tennis player B. Steffi Graf was born in Wimbledon in 1985 C. Steffi Graf won the tennis final when she was only 16 D. Steffi Graf has won few of the main matches since 1985 |
